Finding the Fourth Proportional to 16,656.72, 22,971.12 and 11,058

Step by Step Solution

1. Step 1: Write the proportion equation
   16,656.72 : 22,971.12 = 11,058 : x
2. Step 2: Convert to fraction form
   16,656.72/22,971.12 = 11,058/x
3. Step 3: Cross multiply
   16,656.72x = 22,971.12 × 11,058
4. Step 4: Simplify right side
   16,656.72x = 254,014,644.96
5. Step 5: Solve for x
   x = 254,014,644.96/16,656.72
6. Step 6: Final answer
   x = 15,249.98